-18a^2+25=0

Solution for -18a^2+25=0 equation:

Simplifying
-18a2 + 25 = 0

Reorder the terms:
25 + -18a2 = 0

Solving
25 + -18a2 = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-25' to each side of the equation.
25 + -25 + -18a2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -18a2 = 0 + -25
-18a2 = 0 + -25

Combine like terms: 0 + -25 = -25
-18a2 = -25

Divide each side by '-18'.
a2 = 1.388888889

Simplifying
a2 = 1.388888889

Take the square root of each side:
a = {-1.178511302, 1.178511302}